The automatically operating digital process refractometer iPR HR² (High Resolution) measures the refractive index continuously and thus, the concentration of a binary or quasi-binary liquid mixture. They are especially developed for the checking of liquids with very low solid concentrations (e.g., Light drinks). The iPR HR² has a very high resolution and precision.

• Measuring range: 1.3320 - 1.3720 / 0 - 25 Brix 

In-line process digital refractometer iPR FR² with extremely short reaction time for continuous measurement and real-time process control with an analogue data output. It is characterized by minimal size and weight and has an excellent price-performance ratio.

• Measuring range: B1: 1.3320 - 1.5300 / 0 - 100 Brix
• Resolution: 0.00001 nD 0.01 Brix
• Accuracy: ± 0.00007 nD ±0.05 Brix (at 20 °C / 68 °F)
• Explosion-proof version: ATEX Class Ex II 1G Ex ia II C T4